525126142 has 32 divisors (see below), whose sum is σ = 865533600. Its totient is φ = 237984768.

The previous prime is 525126131. The next prime is 525126181. The reversal of 525126142 is 241621525.

It is a self number, because there is not a number n which added to its sum of digits gives 525126142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122418 + ... + 126634.

It is an arithmetic number, because the mean of its divisors is an integer number (27047925).

Almost surely, 2^525126142 is an apocalyptic number.

525126142 is a deficient number, since it is larger than the sum of its proper divisors (340407458).

525126142 is a wasteful number, since it uses less digits than its factorization.

525126142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380.

The product of its digits is 4800, while the sum is 28.

The square root of 525126142 is about 22915.6309535653. The cubic root of 525126142 is about 806.7789277165.

Adding to 525126142 its reverse (241621525), we get a palindrome (766747667).

The spelling of 525126142 in words is "five hundred twenty-five million, one hundred twenty-six thousand, one hundred forty-two".